Finding the Fourth Proportional to 22,233.18, 33,312.72 and 15,645.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,233.18 : 33,312.72 = 15,645.51 : x
2. Step 2: Convert to fraction form
   22,233.18/33,312.72 = 15,645.51/x
3. Step 3: Cross multiply
   22,233.18x = 33,312.72 × 15,645.51
4. Step 4: Simplify right side
   22,233.18x = 521,194,493.89
5. Step 5: Solve for x
   x = 521,194,493.89/22,233.18
6. Step 6: Final answer
   x = 23,442.19